Question: matching their answer key, that's why! Either way is fine. With the other numbers you'll get t = -.22. 10.18. Two sisters attend different universities.

matching their answer key, that's why! Either way is fine. With the other numbers you'll get t = -.22. 10.18. Two sisters attend different universities. Each is sure that she has to compete with brighter students than her sister does. They decide to settle their disagreement by comparing ACT admission scores of freshmen at the two schools. Suppose they bring you the following data and ask for an analysis. The As represent all freshmen for one year. The sisters agree to a significance level of .05. Begin by deciding whether to use a one-tailed or a two-tailed test. Calculate a f test and other statistics that might be helpful as you write an interpretation. Be sure to carry several decimal places in your work. The U State U 23.4 23.5 3 3 N 8000 8000

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